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On multi-core processors to improve application performance background just-in-time compilation is available to be utilized optionally. We can achieve this using ProfileOptimization class. ProfileOptimization class improves the startup performance of application domains in applications that require the just-in-time (JIT) compiler by performing background compilation of methods that are likely to be executed, based on profiles created during previous compilations.

There are times when being able to limit the pattern matching duration of Regex operations could be useful, especially when working with user supplied patterns to match data.
The MatchTimeout property defines the approximate maximum time interval for a Regex instance to execute a single matching operation before the operation times out. The regular expression engine throws a RegexMatchTimeoutException exception during its next timing check after the time-out interval has elapsed. This prevents the regular expression engine from processing input strings that require excessive backtracking. 
This property is read-only. You can set its value explicitly for an individual Regex object by calling the Regex.Regex(String, RegexOptions, TimeSpan) constructor; and you can set its value for all Regex matching operations in an application domain by calling the AppDomain.SetData method and providing a value for the 
“REGEX_DEFAULT_MATCH_TIMEOUT” property. If you do not explicitly set a timeout interval, the default value Regex.InfiniteMatchTimeout is used, and matching operations do not time out.

We can achieve this using CustomReflectionContext class. provides a way for you to add or remove custom attributes from reflection objects, or add dummy properties to those objects, without re-implementing the complete reflection model. The default CustomReflectionContext simply wraps reflection objects without making any changes, but by subclassing and overriding the relevant methods, you can add, remove, or change the attributes that apply to any reflected parameter or member, or add new properties to a eflected type.

Inside the application domain when threads get created, threads gets default culture from windows initialized from the system default locale as configured in control panel > region and language settings. But with .NET Framework 4.5 it is possible to provide default culture for an application domain using DefaultThreadCurrentCulture and CurrentUICulture properties of CultureInfo class.

By default, the StringComparer class and the string.GetHashCode method use a single hashing algorithm that produces a consistent hash code across application domains. This is equivalent to setting the enabled attribute of the element to 0. This is the hashing algorithm used in the .NET Framework 4. The StringComparer class and the String.GetHashCode method can also use a different hashing algorithm that computes hash codes on a per application domain basis. As a result, hash codes for equivalent strings will differ across application domains. This is an opt-in feature; to take advantage of it, you must set the enabled attribute of the element to 1.

Serialization is the process of converting objects in to persistent data formats.

  • .NET 2.0 provides built-in classes to convert data to formats that are portable, or easy to transport to another location. 
  • This process of converting data into a portable format is called serialization. 
  • The process of restoring the object or data to its original state is called deserialization.
  • Portable/persistent format includes text files or series of bytes or we can store in the database.
  • The process of converting objects and data into these common format for storage or transportation is called serialization.
The following are the basic advantages of serialization:
  1. Serialization Creates a clone of an object
  2. It facilitate the transportation of an object through a network
We can achieve Serialization by any  of the following types:
  1. Binary Serialization
  2. SOAP Serialization
  3. XML Serialization
In this post we are going to discuss about Binary Serialization,

The StringBuilder provides amazing flexibility when we require more complex operations.System.Text contains StringBuilder() object.

Strings are the collections of texts.Unlike old C language; a string doesn’t terminate when it finds /0 character. We can use both the keywords String or string in C#.Point to be noted that if we are concerned about security issues regarding string manipulation;we have to give importance to the String keyword.We have already declared as well as initialized strings in previous lessons.In order to refresh your memory;I will highlight them;

You can redefine or overload most of the built-in operators available in C#. Thus a programmer can use operators with user-defined types as well. Overloaded operators are functions with special names the keyword operator followed by the symbol for the operator being defined. similar to any other function, an overloaded operator has a return type and a parameter list.User-defined types such as classes,structures etc; often overload operators by defining a member function which is static using the operator keyword.We can not overload each and every operator by this approach

In the code chamber, you need to write the code, like whatever the TextBox contains is printed in the form of the bardcode on a button click. To make this application you first need to install the IDAutomationCode39.exe file. Open your code section and start writing the following code so that you can get to the solution.

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